CN219028204U

CN219028204U - Multicavity extrusion die

Info

Publication number: CN219028204U
Application number: CN202223292824.XU
Authority: CN
Inventors: 曾庆桐
Original assignee: Profilex Plastic Technology Zhuhai Ftz Co ltd
Current assignee: Profilex Plastic Technology Zhuhai Ftz Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-16
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to a multi-cavity extrusion die in the technical field of forming dies, which comprises a screw connecting plate, a splitter plate, a supporting plate and a tube wall thickness adjusting plate which are sequentially arranged along the flowing direction of sizing materials, wherein the tail end of an inclined hole is communicated with a forming guide die core plate, three positioning holes which are in threaded connection with screws are respectively arranged on two sides of the top surface of the supporting plate, a transverse runner which is communicated with the bottom end of the inclined hole is arranged in the center of the upper surface of the forming guide die core plate, the bottom end of the inclined hole is attached to an opening of the transverse runner, three sub runners are sequentially arranged at the opening of the transverse runner from front to back, and glue injection openings are respectively arranged at two ends of each sub runner. Through fixing the shaping water conservancy diversion mould core board that has the injecting glue mouth in backup pad cavity top to and the horizontal runner of water conservancy diversion injecting glue mouth, can stabilize sizing material flow volume and flow direction, improve the degree of consistency of sizing material thickness in the injecting glue mouth inner wall, reduce the defective rate, improve production efficiency.

Description

Multicavity extrusion die

Technical Field

The utility model relates to the technical field of forming dies, in particular to a multi-cavity extrusion die.

Background

A forming die, also called a section die, which is made according to the shape and structure of the object in proportion, and a pressing or pouring method is used to make the material into a tool with a certain shape; the plastic molding process is a generic term for various processes for converting synthetic resins or plastics into plastic products, and is a large production sector in the plastics industry. Plastic processing generally includes batching, shaping, machining, joining, finishing, and assembling of plastics, among others. The latter four steps are performed after the plastic has been formed into an article or half, also known as secondary processing of the plastic.

The utility model discloses a wide packing pipe extrusion die group of chinese patent publication No. CN206484868U, including screw connection board, flow distribution plate, shaping guide plate backup pad and pipe wall thickness regulating blade that set gradually along sizing material flow direction, be equipped with the cavity in the shaping guide plate backup pad, the cavity internal fixation is provided with shaping guide die core, be equipped with the injecting glue mouth on the screw connection board, the screw connection board with be equipped with on the shaping guide plate backup pad with the inclined hole that the injecting glue mouth is linked together, the inclined hole diminishes from outside to inside gradually, the end of inclined hole with shaping guide die core board is linked together, and it has solved "traditional multicavity pipe extrusion molding has the problem that intraductal wall thickness is too thin, or local inhomogeneous, can't satisfy multicavity pipe strength requirement, takes place deformation easily, influences product quality" problem, still does not solve current plastics shaping in-process, and often is provided with a plurality of shaping die cavities in the course of using, and the cavity is an organic whole structure, and the cavity is damaged when whole appearance, need to carry out the multicavity device to put forward this problem for convenience later maintenance.

Disclosure of Invention

Aiming at the problems, the utility model provides a multi-cavity extrusion die which has the effect of cleaning and maintaining an internal glue injection port by conveniently disassembling a formed diversion die core plate.

The technical scheme of the utility model is as follows:

the utility model provides a multicavity extrusion tooling, includes screw connecting plate, flow distribution plate, backup pad and the pipe wall thickness regulating vane that set gradually along sizing material flow direction, be equipped with the cavity in the backup pad, cavity top opening department is fixed to be provided with shaping water conservancy diversion die core, be equipped with the glue injection mouth on the screw connecting plate, the screw connecting plate with be equipped with the inclined hole that is linked together with the glue injection mouth in the backup pad, the inclined hole diminishes from outside to inside gradually, the end in inclined hole with shaping water conservancy diversion die core board is linked together, three screw has all been inserted to shaping water conservancy diversion die core's upper surface both sides, the top surface both sides of backup pad all are equipped with three locating hole with screw threaded connection, the upper surface center department of shaping water conservancy diversion die core has seted up the horizontal runner with inclined hole bottom intercommunication, and the bottom and the opening of horizontal runner paste, the opening of horizontal runner has been seted up three branch runner from front to back in proper order, and every divides the both ends of runner all to be equipped with the glue injection mouth.

In a further technical scheme, the forming diversion mold core plate comprises six groups of cavity mold cores, the cavity mold cores are fixed on the outer surface of the forming diversion mold core plate through fixing blocks, the top ends of the cavity mold cores are positioned on the inner wall of the glue injection port, and the bottom ends of the cavity mold cores are communicated with the cavity of the supporting plate.

In a further technical scheme, six fixing blocks are fixed on the bottom surface of the forming diversion die core plate through threaded bolts, and the fixing blocks are shuttle-shaped.

In a further technical scheme, the flow distribution plate is fixed on the upper surface of the screw connecting plate through fixing bolts, the supporting plate is fixed on the lower surface of the flow distribution plate through fixing bolts, the pipe wall thickness adjusting sheet is fixed on the lower surface of the supporting plate through fixing bolts, and the bottoms of the four fixing bolts penetrate through four corners of the molded flow guide die core plate.

In a further technical scheme, the transverse flow channel and the sub-flow channel are in a shape of Chinese character 'Wang'.

The beneficial effects of the utility model are as follows:

1. the flow quantity and the flow direction of the sizing material can be stabilized through the forming flow guide die core plate with the sizing material injection port and the transverse flow passage of the flow guide sizing material injection port which are fixed above the cavity of the supporting plate, the uniformity of the sizing material thickness in the inner wall of the sizing material injection port is improved, the reject ratio is reduced, and the production efficiency is improved;

2. the six groups of cavity mold cores are fixed on the outer surface of the forming diversion mold core plate through the fixing blocks, the top ends of the cavity mold cores are located on the inner wall of the glue injection port, the bottom ends of the cavity mold cores are communicated with the cavity of the supporting plate, and compared with the traditional split type multi-cavity pipe diversion mold cores, the cavity mold cores are prevented from displacement in the production process, and the thickness of the inner wall of the cavity mold cores is guaranteed to be uniform.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic side sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic view of an assembly structure of a molded flow guiding mold core plate and a support plate according to an embodiment of the present utility model;

fig. 4 is a schematic view of the bottom structure of a molded flow guiding core plate according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a screw connecting plate; 2. a diverter plate; 3. a support plate; 4. a pipe wall thickness adjusting sheet; 5. forming a diversion core plate; 6. a glue injection port; 7. a beveled hole; 8. positioning holes; 9. a screw; 10. a transverse flow passage; 11. a sub-runner; 12. a glue injection port; 13. a fixed block; 14. a cavity mold core; 15. a threaded bolt; 16. and (5) fixing bolts.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Examples:

as shown in fig. 1-4, the multi-cavity extrusion die comprises a screw connecting plate 1, a flow dividing plate 2, a supporting plate 3 and a tube wall thickness regulating plate 4 which are sequentially arranged along the flowing direction of sizing materials, a cavity is arranged in the supporting plate 3, a forming flow guiding die core plate 5 is fixedly arranged at the top opening of the cavity, a glue injection opening 6 is arranged on the screw connecting plate 1, inclined holes 7 communicated with the glue injection opening 6 are arranged on the screw connecting plate 1 and the supporting plate 3, the inclined holes 7 are gradually reduced from outside to inside, the tail ends of the inclined holes 7 are communicated with the forming flow guiding die core plate 5, three screws 9 are respectively inserted into two sides of the upper surface of the forming flow guiding die core plate 5, three positioning holes 8 in threaded connection with the screws 9 are respectively arranged on two sides of the top surface of the supporting plate 3, a transverse flow passage 10 communicated with the bottom end of the inclined holes 7 is arranged at the center of the upper surface of the forming flow guiding die core plate 5, three sub-channels 11 are sequentially arranged from front to back, the opening of the transverse flow passage 10 is adhered to the opening of the transverse flow passage 10, the two ends of each sub-channel 11 are respectively provided with a glue injection opening 12, and the transverse flow passage 10 and the sub-channels 11 are in a shape.

The working principle of the technical scheme is as follows:

through the shaping water conservancy diversion die core board 5 of fixing on backup pad 3 cavity with six screws 9, and set up and take shape in shaping water conservancy diversion die core board 5 surface and take shape of a king's transverse runner 10 and shunt 11, can stabilize sizing material flow quantity and flow direction, improve the degree of consistency of sizing material thickness in the injecting glue mouth 12 inner wall, reduce the defective rate, improve production efficiency, can dismantle the clearance to shaping water conservancy diversion die core board 5 when the cavity appears damaging simultaneously.

When the multi-cavity plastic material injection device is used, a plastic material is poured into the inclined hole 7 and the screw connecting plate 1 from the plastic injection hole 6, is regular to be the approximate shape of a multi-cavity tube along the large-to-small shape of the inclined hole 7, enters the flow distribution plate 2, is fixed above the cavity of the supporting plate 3 by six screws 9 after the shape is regular, enters the transverse runner 10 on the upper surface of the forming flow distribution die core plate 5, and forms a cavity shape when the plastic material passes through the plastic injection hole 12.

In another embodiment, as shown in fig. 4, the molded diversion mold core 5 includes six sets of cavity mold cores 14, the cavity mold cores 14 are fixed on the outer surface of the molded diversion mold core 5 by fixing blocks 13, the top ends of the cavity mold cores 14 are located on the inner wall of the glue injection port 12, the bottom ends of the cavity mold cores 14 are communicated with the cavity of the support plate 3, the six fixing blocks 13 are all fixed on the bottom surface of the molded diversion mold core 5 by threaded bolts 15, and the fixing blocks 13 are in a shuttle shape.

Through setting up fixed block 13 for fusiform, compare traditional split type multicavity pipe water conservancy diversion mold core, the position of fixed block 13 is convenient for be fixed, guarantees that cavity mold core 14 does not take place the displacement with fixed block 13 joint after.

In another embodiment, as shown in fig. 1, the splitter plate 2 is fixed on the upper surface of the screw connection plate 1 by fixing bolts 16, the support plate 3 is fixed on the lower surface of the splitter plate 2 by fixing bolts 16, the pipe wall thickness adjusting plate 4 is fixed on the lower surface of the support plate 3 by fixing bolts 16, and the bottom ends of the four fixing bolts 16 penetrate through four corners of the molded flow guiding mold core plate 5.

The setting of this connected mode can realize the mould design of various complicated closed cross-sections, and fixed mould design avoids the mould part to take place the displacement, leads to the unstable problem of different batch production, improves production efficiency and quality.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. Multicavity extrusion tooling, including screw connection board (1), flow distribution plate (2), backup pad (3) and pipe wall thickness regulating blade (4) that set gradually along sizing material flow direction, be equipped with the cavity in backup pad (3), cavity top mouth department is fixed to be provided with shaping water conservancy diversion die core board (5), be equipped with on screw connection board (1) and glue injection port (6), screw connection board (1) with be equipped with on backup pad (3) with glue injection port (6) be linked together oblique shape hole (7), oblique shape hole (7) diminish from outside to inside gradually, the end of oblique shape hole (7) with shaping water conservancy diversion die core board (5) are linked together, its characterized in that: three screws (9) are inserted into two sides of the upper surface of the forming diversion die core plate (5), three positioning holes (8) in threaded connection with the screws (9) are formed in two sides of the top surface of the supporting plate (3), a transverse runner (10) communicated with the bottom end of the inclined hole (7) is formed in the center of the upper surface of the forming diversion die core plate (5), the bottom end of the inclined hole (7) is attached to an opening of the transverse runner (10), three diversion channels (11) are sequentially formed in the opening of the transverse runner (10) from front to back, and glue injection ports (12) are formed in two ends of each diversion channel (11).

2. A multi-cavity extrusion die as recited in claim 1, wherein: the molding diversion mold core plate (5) comprises six groups of cavity mold cores (14), the cavity mold cores (14) are fixed on the outer surface of the molding diversion mold core plate (5) through fixing blocks (13), the top ends of the cavity mold cores (14) are positioned on the inner wall of the glue injection port (12), and the bottom ends of the cavity mold cores (14) are communicated with the cavity of the supporting plate (3).

3. A multi-cavity extrusion die as recited in claim 2, wherein: six fixed blocks (13) are fixed on the bottom surface of the forming diversion mold core plate (5) through threaded bolts (15), and the fixed blocks (13) are in a fusiform shape.

4. A multi-cavity extrusion die as recited in claim 1, wherein: the flow distribution plate (2) is fixed on the upper surface of the screw connection plate (1) through fixing bolts (16), the support plate (3) is fixed on the lower surface of the flow distribution plate (2) through the fixing bolts (16), the pipe wall thickness adjusting sheet (4) is fixed on the lower surface of the support plate (3) through the fixing bolts (16), and the bottoms of the four fixing bolts (16) penetrate through four corners of the forming flow guide die core plate (5).

5. A multi-cavity extrusion die as recited in claim 1, wherein: the transverse flow channel (10) and the shunt channel (11) are in a shape of Chinese character 'Wang'.